import copy
dictionary = {'卷心菜': 'cabbage', '午餐': ['lunch', 'nooning']}
dictionary1 = dictionary
dictionary2 = dictionary.copy()
dictionary3 = copy.deepcopy(dictionary)
dictionary['卷心菜'] = 'pamphrey'
dictionary['午餐'].remove('nooning')
print('dictionary = ',dictionary)
print('dictionary1 = ',dictionary1)
print('dictionary2 = ',dictionary2)
print('dictionary3 = ',dictionary3)


dictionary = {
    '卷心菜': 'cabbage',
    '午餐': 'lunch',
    '机器人': 'robot',
    '天空': 'sky',
    '花': 'flower'
}
print('中英文字典中所有中文词组及其对应的英文单词: ')
for item in  dictionary.items():
    print(item)
    print('中英文字典中所有中文词组: ')
    for chinese in dictionary.keys():
        print(chinese, end=' ')
print('\n中英文字典中所有英文字词: ')
for english in dictionary.values():
    print(english,end=' ')